tick ,tick....not knock

[deeselfitter]

I have an annoying tick ,tick coming from my engine as i ease on the fuel between 1500 and 1900 rpm. I spent a lot of time working on gassers over the years and if i put a plug wire near a top pan with the engine running and let the spark arc across, that is the type and tone of sound i am hearing from my engine......just a bit more amplified, but same tone....not a knock.
I have seen vids of guys loading Seafoam into their filter housing and firing it up to de-carbonize their engines and injectors. Half (just half) tempted to try that method.
Is this tick a result of just dogging around town day after day at low rev and not hauling anything? I have read that other guys have always had it on their 06's and it is just a fact of life with this year. I have tried PS additive and i put in a bottle of Tech 2 cycle low ash every tank.
Valve lash adjustment? Any suggestions guys? Has anyone else here solved this or had this same sound.
Any thoughts will be appreciated
thanks in advance
Wayne

 

[seafish]

Check the blue injector fuel line clamps next to the valve cover, particularly the #4 line...it often comes loose and can make a sound exactly as you are describing.

 

[deeselfitter]

Check the blue injector fuel line clamps next to the valve cover, particularly the #4 line...it often comes loose and can make a sound exactly as you are describing.

I have done that Seafish.....no luck.....but on that note ,can you buy new clamps at a dealer? It almost seemed like a couple of them were worn out where the line goes around them......is that possible from vibration? Maybe take them off and wrap them with some teflon tape if new ones are not readily available......thoughts?

 

[JJPage]

Here is another possibility
https://www.turbodieselregister.com...205889-Ticking-fuel-pump&highlight=timing+CP3

 

[Gonzo 1066]

My 04 has had a tick from the CP3 pump from day one.. Comes and goes with throttle position and load. Annoying but typical I have learned to deal with it. Not really possible that you have carbon buildup, IF that would happen a good hard towing job would remove it much faster than any brew you can put in the tank.

 

[deeselfitter]

My 04 has had a tick from the CP3 pump from day one.. Comes and goes with throttle position and load. Annoying but typical I have learned to deal with it. Not really possible that you have carbon buildup, IF that would happen a good hard towing job would remove it much faster than any brew you can put in the tank.

Gonzo
Did you ever change the pump gear location on that truck......any difference?

 

[Gonzo 1066]

Gonzo
Did you ever change the pump gear location on that truck......any difference?

I have not "reclocked the pump" yet.. Just have not had the time and the bit of noise is not that bad to me.

 

[deeselfitter]

I tried to find a you tube description of that "reclocking the CP3 but i can't find it. Any help on this?

 

[JJPage]

Hey DF, Not exactly what you are looking for, but here is a fairly detailed explanation from Cummins Forum w/pictures, on removing and replacing the CP3. It should help alot if you decide to re-calibrate the position of your pump. Jess
http://www.cumminsforum.com/forum/3rd-gen-tech-articles/186107-replacing-your-cp3-diy.html

 

[deeselfitter]

Hey DF, Not exactly what you are looking for, but here is a fairly detailed explanation from Cummins Forum w/pictures, on removing and replacing the CP3. It should help alot if you decide to re-calibrate the position of your pump. Jess
http://www.cumminsforum.com/forum/3rd-gen-tech-articles/186107-replacing-your-cp3-diy.html

Thanks Jess
I have been looking all over the net for a detailed description of how to re-time,re-clock,re-calibrate the pump to see if i can get rid of that D#&% ticking. Is it one of the 2 small gears on the back of the pump that have to be re calibrated? 30degrees at a time or some such
Wayne

 

[Gonzo 1066]

I am not sure, but I understood that you remove the pump from the front accessory drive, turn the pump several teeth and reinstall. I would assume that the correct would turn about 1/3rd turn to get out of the harmonic with the engine.

 

[Tuesdak]

I am not sure, but I understood that you remove the pump from the front accessory drive, turn the pump several teeth and reinstall. I would assume that the correct would turn about 1/3rd turn to get out of the harmonic with the engine.

No need to remove the pump. All you are doing is moving the pump shaft to sync it with the engine to reduce gear clash noise. You can do this with the pump on the engine.

Take the engine to TDC. Mark the pump shaft. (There are numbers on the pump shaft you can use as a reference w/o making a mark.) You get to it via the plug on the front of the gear case cover. Pull the front drive gear loose with the proper gear puller w/o removing the pump. You will have to remove the nut carefully to do so. Bar the engine over 30 degrees. Make sure the pump shaft did not turn too. Put the nut back on and plug back in.

 

[deeselfitter]

No need to remove the pump. All you are doing is moving the pump shaft to sync it with the engine to reduce gear clash noise. You can do this with the pump on the engine.

Take the engine to TDC. Mark the pump shaft. (There are numbers on the pump shaft you can use as a reference w/o making a mark.) You get to it via the plug on the front of the gear case cover. Pull the front drive gear loose with the proper gear puller w/o removing the pump. You will have to remove the nut carefully to do so. Bar the engine over 30 degrees. Make sure the pump shaft did not turn too. Put the nut back on and plug back in.

Thanks a bunch guys, i believe i can handle that no problem.
Really glad i joined this forum
Wayne